Home » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_50.ADF » V/+BUGS

V/+BUGS

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk: Home » Personal collection » Acorn ADFS disks » Electron_User_Group » EUG_50.ADF
Filename: V/+BUGS
Read OK:
File size: 0545 bytes
Load address: 56204556
Exec address: 55422B2E
File contents
                               ! BUGS !

AFTER a brief absence to lull us all into a false sense of security, the
bugs returned in force to EUG #49 with the omission of the Electron User
Group information and the text file on how to operate the Configuration
Menu. DFS versions of the disks (distributed before 5th March 2000) were
so affected. Furthermore, there was a vital error in Retro BBC's Guide 
to hacking Disk Protection.
   Correcting the missing text files will be simple for most readers as
they are identical to those on this disk (and previous disks) and can be
*COPYed across. The files are V.+EUG and V.+CONFIG.
   It is a memory address in the second file of the Disk Protection art-
icle which needs to be manipulated. The original file states:

"  To stop the code from executing the protected file code, type:
"     >?&499=&60 (Return from subroutine) <RETURN>

In fact, this address is incorrect. The line should read:
      >?&447=&60 (Return from subroutine) <RETURN>

and this fault makes all the difference.
   As usual, we offer grovelling apologies. Unfortunately, it is some-
times impossible for all utilities such as this to be comprehensively
checked prior to the magazine's compilation. They are only brought to
light by disgruntled readers! 
                                                              (The) Dave
00000000  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000010  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 21  |               !|
00000020  20 42 55 47 53 20 21 0d  0d 41 46 54 45 52 20 61  | BUGS !..AFTER a|
00000030  20 62 72 69 65 66 20 61  62 73 65 6e 63 65 20 74  | brief absence t|
00000040  6f 20 6c 75 6c 6c 20 75  73 20 61 6c 6c 20 69 6e  |o lull us all in|
00000050  74 6f 20 61 20 66 61 6c  73 65 20 73 65 6e 73 65  |to a false sense|
00000060  20 6f 66 20 73 65 63 75  72 69 74 79 2c 20 74 68  | of security, th|
00000070  65 0d 62 75 67 73 20 72  65 74 75 72 6e 65 64 20  |e.bugs returned |
00000080  69 6e 20 66 6f 72 63 65  20 74 6f 20 45 55 47 20  |in force to EUG |
00000090  23 34 39 20 77 69 74 68  20 74 68 65 20 6f 6d 69  |#49 with the omi|
000000a0  73 73 69 6f 6e 20 6f 66  20 74 68 65 20 45 6c 65  |ssion of the Ele|
000000b0  63 74 72 6f 6e 20 55 73  65 72 0d 47 72 6f 75 70  |ctron User.Group|
000000c0  20 69 6e 66 6f 72 6d 61  74 69 6f 6e 20 61 6e 64  | information and|
000000d0  20 74 68 65 20 74 65 78  74 20 66 69 6c 65 20 6f  | the text file o|
000000e0  6e 20 68 6f 77 20 74 6f  20 6f 70 65 72 61 74 65  |n how to operate|
000000f0  20 74 68 65 20 43 6f 6e  66 69 67 75 72 61 74 69  | the Configurati|
00000100  6f 6e 0d 4d 65 6e 75 2e  20 44 46 53 20 76 65 72  |on.Menu. DFS ver|
00000110  73 69 6f 6e 73 20 6f 66  20 74 68 65 20 64 69 73  |sions of the dis|
00000120  6b 73 20 28 64 69 73 74  72 69 62 75 74 65 64 20  |ks (distributed |
00000130  62 65 66 6f 72 65 20 35  74 68 20 4d 61 72 63 68  |before 5th March|
00000140  20 32 30 30 30 29 20 77  65 72 65 0d 73 6f 20 61  | 2000) were.so a|
00000150  66 66 65 63 74 65 64 2e  20 46 75 72 74 68 65 72  |ffected. Further|
00000160  6d 6f 72 65 2c 20 74 68  65 72 65 20 77 61 73 20  |more, there was |
00000170  61 20 76 69 74 61 6c 20  65 72 72 6f 72 20 69 6e  |a vital error in|
00000180  20 52 65 74 72 6f 20 42  42 43 27 73 20 47 75 69  | Retro BBC's Gui|
00000190  64 65 20 0d 74 6f 20 68  61 63 6b 69 6e 67 20 44  |de .to hacking D|
000001a0  69 73 6b 20 50 72 6f 74  65 63 74 69 6f 6e 2e 0d  |isk Protection..|
000001b0  20 20 20 43 6f 72 72 65  63 74 69 6e 67 20 74 68  |   Correcting th|
000001c0  65 20 6d 69 73 73 69 6e  67 20 74 65 78 74 20 66  |e missing text f|
000001d0  69 6c 65 73 20 77 69 6c  6c 20 62 65 20 73 69 6d  |iles will be sim|
000001e0  70 6c 65 20 66 6f 72 20  6d 6f 73 74 20 72 65 61  |ple for most rea|
000001f0  64 65 72 73 20 61 73 0d  74 68 65 79 20 61 72 65  |ders as.they are|
00000200  20 69 64 65 6e 74 69 63  61 6c 20 74 6f 20 74 68  | identical to th|
00000210  6f 73 65 20 6f 6e 20 74  68 69 73 20 64 69 73 6b  |ose on this disk|
00000220  20 28 61 6e 64 20 70 72  65 76 69 6f 75 73 20 64  | (and previous d|
00000230  69 73 6b 73 29 20 61 6e  64 20 63 61 6e 20 62 65  |isks) and can be|
00000240  0d 2a 43 4f 50 59 65 64  20 61 63 72 6f 73 73 2e  |.*COPYed across.|
00000250  20 54 68 65 20 66 69 6c  65 73 20 61 72 65 20 56  | The files are V|
00000260  2e 2b 45 55 47 20 61 6e  64 20 56 2e 2b 43 4f 4e  |.+EUG and V.+CON|
00000270  46 49 47 2e 0d 20 20 20  49 74 20 69 73 20 61 20  |FIG..   It is a |
00000280  6d 65 6d 6f 72 79 20 61  64 64 72 65 73 73 20 69  |memory address i|
00000290  6e 20 74 68 65 20 73 65  63 6f 6e 64 20 66 69 6c  |n the second fil|
000002a0  65 20 6f 66 20 74 68 65  20 44 69 73 6b 20 50 72  |e of the Disk Pr|
000002b0  6f 74 65 63 74 69 6f 6e  20 61 72 74 2d 0d 69 63  |otection art-.ic|
000002c0  6c 65 20 77 68 69 63 68  20 6e 65 65 64 73 20 74  |le which needs t|
000002d0  6f 20 62 65 20 6d 61 6e  69 70 75 6c 61 74 65 64  |o be manipulated|
000002e0  2e 20 54 68 65 20 6f 72  69 67 69 6e 61 6c 20 66  |. The original f|
000002f0  69 6c 65 20 73 74 61 74  65 73 3a 0d 0d 22 20 20  |ile states:.."  |
00000300  54 6f 20 73 74 6f 70 20  74 68 65 20 63 6f 64 65  |To stop the code|
00000310  20 66 72 6f 6d 20 65 78  65 63 75 74 69 6e 67 20  | from executing |
00000320  74 68 65 20 70 72 6f 74  65 63 74 65 64 20 66 69  |the protected fi|
00000330  6c 65 20 63 6f 64 65 2c  20 74 79 70 65 3a 0d 22  |le code, type:."|
00000340  20 20 20 20 20 3e 3f 26  34 39 39 3d 26 36 30 20  |     >?&499=&60 |
00000350  28 52 65 74 75 72 6e 20  66 72 6f 6d 20 73 75 62  |(Return from sub|
00000360  72 6f 75 74 69 6e 65 29  20 3c 52 45 54 55 52 4e  |routine) <RETURN|
00000370  3e 0d 0d 49 6e 20 66 61  63 74 2c 20 74 68 69 73  |>..In fact, this|
00000380  20 61 64 64 72 65 73 73  20 69 73 20 69 6e 63 6f  | address is inco|
00000390  72 72 65 63 74 2e 20 54  68 65 20 6c 69 6e 65 20  |rrect. The line |
000003a0  73 68 6f 75 6c 64 20 72  65 61 64 3a 0d 20 20 20  |should read:.   |
000003b0  20 20 20 3e 3f 26 34 34  37 3d 26 36 30 20 28 52  |   >?&447=&60 (R|
000003c0  65 74 75 72 6e 20 66 72  6f 6d 20 73 75 62 72 6f  |eturn from subro|
000003d0  75 74 69 6e 65 29 20 3c  52 45 54 55 52 4e 3e 0d  |utine) <RETURN>.|
000003e0  0d 61 6e 64 20 74 68 69  73 20 66 61 75 6c 74 20  |.and this fault |
000003f0  6d 61 6b 65 73 20 61 6c  6c 20 74 68 65 20 64 69  |makes all the di|
00000400  66 66 65 72 65 6e 63 65  2e 0d 20 20 20 41 73 20  |fference..   As |
00000410  75 73 75 61 6c 2c 20 77  65 20 6f 66 66 65 72 20  |usual, we offer |
00000420  67 72 6f 76 65 6c 6c 69  6e 67 20 61 70 6f 6c 6f  |grovelling apolo|
00000430  67 69 65 73 2e 20 55 6e  66 6f 72 74 75 6e 61 74  |gies. Unfortunat|
00000440  65 6c 79 2c 20 69 74 20  69 73 20 73 6f 6d 65 2d  |ely, it is some-|
00000450  0d 74 69 6d 65 73 20 69  6d 70 6f 73 73 69 62 6c  |.times impossibl|
00000460  65 20 66 6f 72 20 61 6c  6c 20 75 74 69 6c 69 74  |e for all utilit|
00000470  69 65 73 20 73 75 63 68  20 61 73 20 74 68 69 73  |ies such as this|
00000480  20 74 6f 20 62 65 20 63  6f 6d 70 72 65 68 65 6e  | to be comprehen|
00000490  73 69 76 65 6c 79 0d 63  68 65 63 6b 65 64 20 70  |sively.checked p|
000004a0  72 69 6f 72 20 74 6f 20  74 68 65 20 6d 61 67 61  |rior to the maga|
000004b0  7a 69 6e 65 27 73 20 63  6f 6d 70 69 6c 61 74 69  |zine's compilati|
000004c0  6f 6e 2e 20 54 68 65 79  20 61 72 65 20 6f 6e 6c  |on. They are onl|
000004d0  79 20 62 72 6f 75 67 68  74 20 74 6f 0d 6c 69 67  |y brought to.lig|
000004e0  68 74 20 62 79 20 64 69  73 67 72 75 6e 74 6c 65  |ht by disgruntle|
000004f0  64 20 72 65 61 64 65 72  73 21 20 0d 20 20 20 20  |d readers! .    |
00000500  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
*
00000530  20 20 20 20 20 20 20 20  20 20 28 54 68 65 29 20  |          (The) |
00000540  44 61 76 65 0d                                    |Dave.|
00000545
V/+BUGS.m0
V/+BUGS.m1
V/+BUGS.m2
V/+BUGS.m4
V/+BUGS.m5